建议使用以下在线词典。国内的在线词典在音标标注的正确性和完整性上做得比较差。
https://www.oxfordlearnersdictionaries.com
https://dictionary.cambridge.org
https://www.ldoceonline.com
https://www.collinsdictionary.com
http://www.macmillandictionary.com
https://www.merriam-webster.com
http://www.learnersdictionary.com
https://www.dictionary.com
